diff --git a/challenges/09-certificates/apis-and-microservices-certificate.json b/challenges/09-certificates/apis-and-microservices-certificate.json
index a262eca61..20208bc2c 100644
--- a/challenges/09-certificates/apis-and-microservices-certificate.json
+++ b/challenges/09-certificates/apis-and-microservices-certificate.json
@@ -23,7 +23,7 @@
           "title": "URL Shortener Microservice"
         },
         {
-          "id": "bd7158d8c443edefaeb5bdee",
+          "id": "5a8b073d06fa14fcfde687aa",
           "title": "Exercise Tracker"
         },
         {